title: [The tonometer of professor Hjalmar Schiøtz].
authors.affiliation: Oyeavdelingen Ullevålsykebus, Oslo.
authors.forename: J
authors.initials: J
authors.lastname: Ytteborg
mesh_terms: D049673:History, 20th Century; D009664:Norway; D014065:Tonometry, Ocular / Q000266:history* / Q000295:instrumentation / Q000592:standards
vernacular_title: Professor Hjalmar Schiøtz' tonometer.